.bw_bottom {
    background: #353d53;

    a,
    a:focus,
    a:hover {
        cursor: pointer;
        color: inherit;
        text-decoration: none;
    }

    .b_b_detail {
        width: 1200px;
        margin: 0 auto;
        height: 200px;
        background: #353d53;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-orient: horizontal;
        -webkit-box-direction: normal;
        -ms-flex-direction: row;
        flex-direction: row;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;

        .b_b_left {
            width: 15%;
            display: -webkit-box;
            display: -ms-flexbox;
            display: flex;
            height: 100%;
            -webkit-box-orient: vertical;
            -webkit-box-direction: normal;
            -ms-flex-direction: column;
            flex-direction: column;
            -webkit-box-align: center;
            -ms-flex-align: center;
            align-items: center;
            -webkit-box-pack: center;
            -ms-flex-pack: center;
            justify-content: center;

            .b_w_tel {
                font-size: 21px;
                margin-top: 43px;
                color: white;
            }
        }

        .b_b_middle {
            margin: 10px 0;
            width: 40%;
            display: -webkit-box;
            display: -ms-flexbox;
            display: flex;
            -webkit-box-orient: horizontal;
            -webkit-box-direction: normal;
            -ms-flex-direction: row;
            flex-direction: row;
            -webkit-box-pack: justify;
            -ms-flex-pack: justify;
            justify-content: space-between;
            margin-left: 97px;

            .middle {
                text-align: center;

                .middle_title {
                    font-size: 16px;
                    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
                    font-weight: 400;
                    color: white;
                    margin-bottom: 10px;
                }

                .href_a {
                    font-size: 14px;
                    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
                    font-weight: 400;
                    color: rgba(255, 255, 255, 0.6);
                    padding: 5px;
                }
            }
        }

        .b_b_right {
            width: 15%;
            height: 100%;
            margin-left: 30%;
            display: -webkit-box;
            display: -ms-flexbox;
            display: flex;
            -webkit-box-orient: vertical;
            -webkit-box-direction: normal;
            -ms-flex-direction: column;
            flex-direction: column;
            -webkit-box-align: center;
            -ms-flex-align: center;
            align-items: center;
            -webkit-box-pack: center;
            -ms-flex-pack: center;
            justify-content: center;

            .wechat_text {
                margin-top: 10px;
                font-size: 14px;
                font-family: SourceHanSansCN-Regular, SourceHanSansCN;
                font-weight: 400;
                color: rgba(255, 255, 255, 0.6);
            }
        }
    }

    .b_b_sign {
        width: 100%;
        text-align: center;
        line-height: 47px;
        height: 47px;
        background: #252b3a;
        font-size: 12px;
        font-family: SourceHanSansCN-Regular, SourceHanSansCN;
        font-weight: 400;
        color: rgba(255, 255, 255, 0.65);
    }
}